node : Idioms & Phrases

• noun the point at which an orbit crosses the ecliptic plane going north
  

WordNet

• having, that node of the moon or a planet wherein it passes the ecliptic to proceed northward. It is also called the northern node. Herschel.
• (Astron.), the node at which the body is passing northerly, marked with the symbol &astascending;, called the Dragon's head. Called also northern node.

Webster 1913

• noun a node of specialized heart muscle located in the septal wall of the right atrium; receives impulses from the sinoatrial node and transmits them to atrioventricular bundle
  

WordNet

• noun any of the lymph glands of the armpit; fights infections in the neck and chest and arm regions
  

WordNet

• noun the point at which an orbit crosses the ecliptic plane going south
  

WordNet

• the node at which the body is moving southwardly, marked thus &astdescending;, called Dragon's tail.
• (Astron.), that point in a planet's orbit where it intersects the ecliptic in passing southward.

Webster 1913

• noun (botany) the small swelling that is the part of a plant stem from which one or more leaves emerge
  node.
  

WordNet

• a straight line joining the two nodes of an orbit.

Webster 1913

• noun the source of lymph and lymphocytes
  lymph gland; node.
  

WordNet

• noun an acute disease of young children characterized by a rash and swollen lymph nodes and fever; of unknown cause
  Kawasaki disease.
  

WordNet

• noun a specialized bit of heart tissue that controls the heartbeat
  cardiac pacemaker; SA node; pacemaker.
  

WordNet

• noun a specialized bit of heart tissue that controls the heartbeat
  cardiac pacemaker; SA node; pacemaker.
  

WordNet